<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../js/vue.js"></script>
    <script src="../js/jquery-3.6.0.js"></script>
    <script src="../element-ui/lib/index.js"></script>
    <link rel="stylesheet" href="../element-ui/lib/theme-chalk/index.css">
</head>
<body>
<!--1. 准备一个容器-->
<div id="app">
    <el-select v-model="city">
        <el-option label="北京" value="1"></el-option>
        <el-option label="上海" value="2"></el-option>
        <el-option label="武汉" value="3"></el-option>
        <el-option label="南京" value="4"></el-option>
    </el-select>

</div>
<script>
    let vm = new Vue({
        el: "#app",
        data: {
            city:"3",
        },
        methods: {},
    });
</script>

</body>
</html>